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1. 发明申请

US20100117736A1 LINE DRIVER CAPABLE OF AUTOMATIC ADJUSTMENT OF OUTPUT IMPEDANCE 有权
标题翻译：能够自动调整输出阻抗的线路驱动器
公开(公告)号：US20100117736A1
公开(公告)日：2010-05-13
申请号：US12616479
申请日：2009-11-11
申请人： Su-Liang LIAO
发明人： Su-Liang LIAO
IPC分类号： H03F3/45 , H03F1/36
CPC分类号： H03F3/45475 , H03F2203/45528
摘要： A line driver includes an output terminal set for outputting an output signal, a differential amplifier for amplifying an input signal, a series resistor set coupled between the differential amplifier and the output terminal set, a negative-feedback resistor set coupled to the differential amplifier, a feedback variable resistor set coupled between the differential amplifier and the output terminal set, and an adjusting unit coupled to the feedback variable resistor set. The adjusting unit is operable to adjust resistances of the feedback variable resistor set according to the output signal.
摘要翻译：线路驱动器包括用于输出输出信号的输出端子组，用于放大输入信号的差分放大器，耦合在差分放大器和输出端子组之间的串联电阻器，耦合到差分放大器的负反馈电阻器组，耦合在差分放大器和输出端子组之间的反馈可变电阻器，以及耦合到反馈可变电阻器组的调节单元。调节单元可操作以根据输出信号调整反馈可变电阻器组的电阻。

2. 发明申请

US20090009242A1 LINE DRIVER CAPABLE OF AUTOMATICALLY ADJUSTING OUTPUT IMPEDANCE 有权
标题翻译：能够自动调整输出阻抗的线路驱动器
公开(公告)号：US20090009242A1
公开(公告)日：2009-01-08
申请号：US12167408
申请日：2008-07-03
申请人： Su-Liang LIAO , Ming-Cheng Chiang
发明人： Su-Liang LIAO , Ming-Cheng Chiang
IPC分类号： H03F1/36
CPC分类号： H03F1/34 , H03F3/45475 , H03F2203/45138 , H03F2203/45522 , H03F2203/45528
摘要： A line driver includes: a differential amplifier for amplifying an input signal to generate an output signal; first and second series resistors coupled respectively to output terminals of the differential amplifier and through which the output signal is output; first and second negative-feedback resistors each coupled between a respective input terminal and a respective output terminal of the differential amplifier; first and second positive-feedback variable resistors each coupled between a respective input terminal of the differential amplifier and a respective one of the first and second series resistors; and an adjusting unit coupled to the first and second positive-feedback variable resistors to adjust a resistance thereof with reference to the output signal.
摘要翻译：线驱动器包括：差分放大器，用于放大输入信号以产生输出信号; 第一和第二串联电阻分别耦合到差分放大器的输出端并输出输出信号; 第一和第二负反馈电阻，每个耦合在差分放大器的相应输入端和相应的输出端之间; 第一和第二正反馈可变电阻器，每个耦合在差分放大器的相应输入端子和第一和第二串联电阻器中的相应一个之间; 以及调节单元，其耦合到所述第一和第二正反馈可变电阻器，以参考所述输出信号调整其电阻。

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